using System;
using System.Runtime.InteropServices;
using System.Security.Permissions;
using Microsoft.SharePoint;
using Microsoft.SharePoint.Security;

namespace MetroPivotWebPart.Features.MetroPivotWebPart
{
    /// <summary>
    /// This class handles events raised during feature activation, deactivation, installation, uninstallation, and upgrade.
    /// </summary>
    /// <remarks>
    /// The GUID attached to this class may be used during packaging and should not be modified.
    /// </remarks>

    [Guid("cb57d538-44a2-41c4-a92d-bd159a2cfaef")]
    public class MetroPivotWebPartEventReceiver : SPFeatureReceiver
    {
        // Uncomment the method below to handle the event raised after a feature has been activated.

        //public override void FeatureActivated(SPFeatureReceiverProperties properties)
        //{
        //}


        // Uncomment the method below to handle the event raised before a feature is deactivated.

        public override void FeatureDeactivating(SPFeatureReceiverProperties properties)
        {
            try
            {
                RemoveWPFromGallery((SPSite)properties.Feature.Parent);
            }
            catch
            {
                //continue so deactivation happens no matter what
            }
        }


        // Uncomment the method below to handle the event raised after a feature has been installed.

        //public override void FeatureInstalled(SPFeatureReceiverProperties properties)
        //{
        //}


        // Uncomment the method below to handle the event raised before a feature is uninstalled.

        //public override void FeatureUninstalling(SPFeatureReceiverProperties properties)
        //{
        //}

        // Uncomment the method below to handle the event raised when a feature is upgrading.

        //public override void FeatureUpgrading(SPFeatureReceiverProperties properties, string upgradeActionName, System.Collections.Generic.IDictionary<string, string> parameters)
        //{
        //}

        private void RemoveWPFromGallery(SPSite site)
        {
            SPList list = site.RootWeb.GetCatalog(SPListTemplateType.WebPartCatalog);
            for (int i = 0; i < list.Items.Count; i++ )
            {
                SPListItem item = list.Items[i];
                if (string.Equals(item.Name, "MetroPivotWebPart.webpart", StringComparison.OrdinalIgnoreCase))
                {
                    item.Delete();
                    break;
                }
            }
        }
    }
}
